package week2;
public class ForLoop{
	public static void main(String[] args){
		long start = System.currentTimeMillis();
		int i;
		for (i = 1;i <= 20;i++) {
			System.out.println(i);
		}
		long end = System.currentTimeMillis();
		System.out.println((end-start)+"ms");
}
}